package client import ( "bytes" "encoding/json" "fmt" "io/ioutil" "net/http" "strings" "testing" "github.com/docker/docker/api/types" "github.com/docker/docker/api/types/filters" "github.com/stretchr/testify/assert" "golang.org/x/net/context" ) func TestImagesPruneError(t *testing.T) { client := &Client{ client: newMockClient(errorMock(http.StatusInternalServerError, "Server error")), version: "1.25", } filters := filters.NewArgs() _, err := client.ImagesPrune(context.Background(), filters) assert.EqualError(t, err, "Error response from daemon: Server error") } func TestImagesPrune(t *testing.T) { expectedURL := "/v1.25/images/prune" danglingFilters := filters.NewArgs() danglingFilters.Add("dangling", "true") noDanglingFilters := filters.NewArgs() noDanglingFilters.Add("dangling", "false") labelFilters := filters.NewArgs() labelFilters.Add("dangling", "true") labelFilters.Add("label", "label1=foo") labelFilters.Add("label", "label2!=bar") listCases := []struct { filters filters.Args expectedQueryParams map[string]string }{ { filters: filters.Args{}, expectedQueryParams: map[string]string{ "until": "", "filter": "", "filters": "", }, }, { filters: danglingFilters, expectedQueryParams: map[string]string{ "until": "", "filter": "", "filters": `{"dangling":{"true":true}}`, }, }, { filters: noDanglingFilters, expectedQueryParams: map[string]string{ "until": "", "filter": "", "filters": `{"dangling":{"false":true}}`, }, }, { filters: labelFilters, expectedQueryParams: map[string]string{ "until": "", "filter": "", "filters": `{"dangling":{"true":true},"label":{"label1=foo":true,"label2!=bar":true}}`, }, }, } for _, listCase := range listCases { client := &Client{ client: newMockClient(func(req *http.Request) (*http.Response, error) { if !strings.HasPrefix(req.URL.Path, expectedURL) { return nil, fmt.Errorf("Expected URL '%s', got '%s'", expectedURL, req.URL) } query := req.URL.Query() for key, expected := range listCase.expectedQueryParams { actual := query.Get(key) assert.Equal(t, expected, actual) } content, err := json.Marshal(types.ImagesPruneReport{ ImagesDeleted: []types.ImageDeleteResponseItem{ { Deleted: "image_id1", }, { Deleted: "image_id2", }, }, SpaceReclaimed: 9999, }) if err != nil { return nil, err } return &http.Response{ StatusCode: http.StatusOK, Body: ioutil.NopCloser(bytes.NewReader(content)), }, nil }), version: "1.25", } report, err := client.ImagesPrune(context.Background(), listCase.filters) assert.NoError(t, err) assert.Len(t, report.ImagesDeleted, 2) assert.Equal(t, uint64(9999), report.SpaceReclaimed) } }